A283731 - OEIS

A283731

Number of 6Xn 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.

0, 824, 69972, 2391696, 85216204, 2938694472, 94357463834, 2986938408668, 93021621886856, 2846643417330828, 86214103090062714, 2587462630174734200, 77033354035819429518, 2278742112362673266988, 67033714066407408675974

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Row 6 of A283726.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=3

..0..0..0. .1..1..0. .0..0..0. .1..0..1. .0..0..0. .1..1..0. .0..1..1

..1..0..1. .0..1..1. .1..1..0. .1..0..1. .0..0..0. .0..0..1. .0..0..1

..1..1..0. .0..0..1. .0..1..0. .0..1..0. .0..0..0. .1..1..0. .0..0..0